1863 Antinous (1948 EA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6062665000
Semi-major axis (a)2.2601158000 AU
Inclination (i)18.37865000°
Long. of Asc. Node (Ω)345.55122000°
Arg. of Perihelion (ω)269.07454000°
Mean Anomaly (M)289.56449000°
Mean Motion (n)0.2900734900°/day
Perihelion dist (q)0.88988330 AU
Aphelion dist (Q)3.63034830 AU
Orbital Period3.39778610 yr
Physical Parameters
H (abs. magnitude)15.34
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.800″
Uncertainty0
Orbit TypeApollo
MOID0.187781 AU
Observations Used1490
Oppositions29
Arc Total1948-2026
First Observation Used
Last Observation Used2026-03-21
Observations (1601)
Date Type RA Dec Mag Band Observatory
2016-02-18 10:28:59 C 13 13 56.65 -07 59 26.6 L T05
2016-02-18 10:48:36 C 13 13 57.77 -08 00 00.6 L T05
2016-02-20 13:28:56 C 13 17 08.617 -09 30 00.99 L F51
2016-02-20 13:43:52 C 13 17 09.498 -09 30 28.64 L F51
2016-02-20 14:13:45 C 13 17 11.271 -09 31 24.06 L F51
2016-02-21 13:18:09 C 13 18 40.74 -10 15 03.2 L T05
2016-02-21 13:45:40 C 13 18 42.38 -10 15 56.4 L T05
2016-02-21 14:14:21 C 13 18 44.13 -10 16 51.5 L T05
2016-02-21 14:41:36 C 13 18 45.75 -10 17 44.4 L T05
2016-02-23 07:48:58 C 13 21 29.09 -11 40 15.6 u H21
2016-02-23 07:50:55 C 13 21 29.23 -11 40 19.9 u H21
2016-02-23 07:52:59 C 13 21 29.36 -11 40 24.0 u H21
2016-02-23 07:54:57 C 13 21 29.48 -11 40 28.1 u H21
2016-02-23 07:56:54 C 13 21 29.60 -11 40 32.2 u H21
2016-02-23 07:58:52 C 13 21 29.73 -11 40 36.4 u H21
2016-02-23 08:00:49 C 13 21 29.84 -11 40 40.3 u H21
2016-02-23 08:02:47 C 13 21 29.97 -11 40 44.5 u H21
2016-02-23 08:04:45 C 13 21 30.10 -11 40 48.6 u H21
2016-02-23 08:06:42 C 13 21 30.23 -11 40 52.9 u H21
2016-02-23 08:08:40 C 13 21 30.34 -11 40 57.0 u H21
2016-02-23 08:10:38 C 13 21 30.47 -11 41 00.9 u H21
2016-02-23 08:12:35 C 13 21 30.60 -11 41 05.1 u H21
2016-02-23 08:18:28 C 13 21 30.95 -11 41 17.4 u H21
2016-02-23 08:20:26 C 13 21 31.09 -11 41 21.4 u H21
2016-02-23 08:22:23 C 13 21 31.22 -11 41 25.7 u H21
2016-02-23 08:24:21 C 13 21 31.34 -11 41 29.7 u H21
2016-02-23 08:26:30 C 13 21 31.45 -11 41 34.2 u H21
2016-02-27 07:50:18 C 13 28 12.28 -15 18 09.5 u H21
2016-02-27 07:51:33 C 13 28 12.37 -15 18 12.6 u H21
2016-02-27 07:54:04 C 13 28 12.54 -15 18 19.0 u H21
2016-02-27 07:56:35 C 13 28 12.71 -15 18 25.3 u H21
2016-02-27 07:59:07 C 13 28 12.88 -15 18 31.5 u H21
2016-02-27 08:01:38 C 13 28 13.06 -15 18 37.7 u H21
2016-02-27 08:04:09 C 13 28 13.24 -15 18 44.0 u H21
2016-02-27 08:06:40 C 13 28 13.40 -15 18 50.2 u H21
2016-02-27 08:09:11 C 13 28 13.57 -15 18 56.5 u H21
2016-02-27 08:11:42 C 13 28 13.75 -15 19 02.7 u H21
2016-02-27 08:14:14 C 13 28 13.93 -15 19 09.1 u H21
2016-02-27 08:16:46 C 13 28 14.09 -15 19 15.3 u H21
2016-02-27 08:19:18 C 13 28 14.28 -15 19 21.6 u H21
2016-02-27 08:22:28 C 13 28 14.50 -15 19 29.4 u H21
2016-03-06 12:59:41 C 13 44 51.69 -25 10 15.9 L T05
2016-03-06 13:30:00 C 13 44 54.47 -25 12 05.2 L T05
2016-03-06 13:59:43 C 13 44 57.21 -25 13 52.4 L T05
2016-03-06 14:29:47 C 13 44 59.99 -25 15 41.0 L T05
2016-03-10 12:56:52 C 13 55 32.36 -31 30 03.6 L T05
2016-03-10 13:28:45 C 13 55 36.07 -31 32 21.3 L T05
2016-03-10 14:00:10 C 13 55 39.73 -31 34 36.8 L T05
2016-03-10 14:31:21 C 13 55 43.39 -31 36 51.5 L T05
2016-03-14 12:55:28 C 14 09 27.96 -39 01 09.5 L T05